A.I. Stock of the Week ProShares UltraShort BioTech ETF ($BIS)
The range between the 52-week high and low gives a straightforward measure of a stock's volatility over the past year. For example, the ETF symbolized as $BIS traded between a high of $25.29 and a low of $14.05. Subtracting the low from the high gives a difference of $11.24, which represents historical volatility. This figure can be expressed as a percentage of the recent closing price to provide context on how significant these swings were relative to the stock's price.